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3U VPX 64-Channel Isolated Analog to Digital Converter Board

PDF print version of this specification : A4 or Letter

The 64-Channel Isolated Analog to Digital Converter (ADC) Board utilises 16 separate digitally isolated analog to digital converter channels, each with a sample rate of 250 kSps.

Each of these channels can be multiplexed four ways to provide a maximum of 64 channels at a reduced data rate. A Field-Programmable Gate Array (FPGA) and a PCI to PCIe bridge is used to provide access to the digital data over the PCIe interface.

Input channel to system isolation is 2 500 V RMS.

Photograph of Board
64-Channel Isolated Digital to Analog Converter Board


A FPGA is used to control and read the data from the analog to digital converters and transmit the data over the PCIe interface. High-speed digital isolators are used to isolate the system side bus from the analog inputs. Multiplexers are used to increase the total number of differential inputs.

  • high number of analog inputs
  • programmable gain amplifiers
  • Air-Cooled version
  • Commercial, Industrial and Ruggedised grades
  • wide range input (-10 V to +10 V)
  • high sample rate of up to 250 000 samples per second
  • high-speed digital isolation
  • board identification switch
  • wide bandwidth (up to 125 kHz)
  • input pin overvoltage protection

Formfactor and Bus Interface ANSI/VITA 46.0-2007 (R2013), VPX Base Standard
ANSI/VITA 46.4-2012, PCI Express on VPX Fabric Connector
PCI Express Base 1.0a compliant (1 lane, 2,5 GHz)
Analog Inputs 16 full speed differential or single-ended inputs (also configurable as 64 reduced performance differential or single-ended inputs)
Maximum Sample Rate 250 000 samples/second per channel (full speed)
10 000 samples/second per channel (reduced performance)
Resolution 16 Bit
Voltage Isolation 2 500 V RMS (input channel to system)
Input Amplifier Programmable gains of 1, 2, 4 and 8 (optional 1, 10, 100 and 1000)
Maximum slew rate of 0,2 V/s
Input Bandwidth Up to 125 kHz (-3 dB)
Power 3,3 V DC at 2,5 A (8,25 Watt); 5 V DC at 0,7 A (3,5 Watt); 12 V DC at 0,2 A (2,4 Watt)
MTBF Figures according to MIL-HDBK-217F, Parts Stress Method
Commercial and Industrial Grades Ground Benign, Controlled, 25 C 400 000 hours
Ruggedised Grade Ground, Mobile, 45 C
Naval, Sheltered, 40 C
Airborne, Inhabited Cargo, 55 C
110 000 hours
190 000 hours
95 000 hours
Software Drivers Support for Linux.
VxWorks, Windows and others are costed options.
Physical Characteristics
Cooling Type Air-Cooled
Dimensions 100 mm x 160 mm
Mass 200 g +/- 10 g
Environmental Specifications
Grade Commercial Industrial Ruggedised
- Operating
- Storage
0 C to +55 C
-40 C to +85 C
-15 C to +75 C
-40 C to +85 C
-40 C to + 85 C
-55 C to +125 C
Humidity 0% - 90% 0% - 95% 0% - 95%
Shock 10 g peak for 11 ms 20 g peak for 11 ms 40 g peak for 11 ms
- Sine
- Random

2 g (peak) at 10 Hz to 100 Hz
0,04 g/Hz at 15 Hz to 2 kHz

5 g (peak) at 5 Hz to 2 kHz
0,06 g/Hz at 15 Hz to 2 kHz

10 g (peak) at 5 Hz to 2 kHz
0,1 g/Hz at 15 Hz to 2 kHz
Part Designation Cooling Connector Grade
CCII/ADC/3UVPX/64C/FP/COM Air Frontpanel Commercial
CCII/ADC/3UVPX/64C/FP/IND Air Frontpanel Industrial
CCII/ADC/3UVPX/64C/FP/RGD Air Frontpanel Ruggedised

CADCSS06 Rev. 1.3 2015-06-29
CCII Systems (Pty) Ltd P.O. Box 171 Rondebosch 7701  South Africa 
Telephone : (+27 21) 683 5490 Facsimile : (+27 21) 683 5435 WWW : www.ccii.co.za

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